<script> var mySessionValue = ‘<%= Session[“SessionName”].ToString() %>’; alert(mySessionValue); </script>
Category: JavaScript
Slice() method in Javascript
The slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included) where start and end represent the index of items in that array. The original array will not be modified. Syntax: slice() slice(start) slice(start, end) Parameters start Optional Zero-based index at which to start extraction. A negative index can be used, indicating […]
Splice() method in Javascript
The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. To access part of an array without modifying it, you should use the slice() method. Syntax: splice(start) splice(start, deleteCount) splice(start, deleteCount, item1) splice(start, deleteCount, item1, item2, itemN) Parameters start The index at which to […]
Pop, Push, Shift and Unshift Array Methods in JavaScript
pop(): Remove an item from the end of an array (returns the removed item) push(parameterToAdd): Add items to the end of an array (returns the new array length) shift(): Remove an item from the beginning of an array (returns the removed item) unshift(parameterToAdd): Add items to the beginning of an array (returns the new array […]
How to use Template literals (Template strings) in Javascript
Template literals are enclosed by the backtick (` `) character instead of double or single quotes. Template literals can contain placeholders. These are indicated by the dollar sign and curly braces (${expression}). The expressions in the placeholders and the text between the backticks (` `) get passed to a function. let myUnOrderedList = [‘Record1’, ‘Record2’, […]
How to auto-scroll or manually to end of div when data is added
Auto-Scroll (every 5 seconds) window.setInterval(function() { var element = document.getElementById(“myDiv”); element.scrollTop = element.scrollHeight; }, 5000);
How to use toFixed() for Float numbers in Javascript
The toFixed() method formats a number using fixed-point notation. function financial(x) { return Number.parseFloat(x).toFixed(2); } console.log(financial(123.456)); // expected output: “123.46” console.log(financial(0.004)); // expected output: “0.00” console.log(financial(‘1.23e+5’)); // expected output: “123000.00” OUTPUT: > “123.46” > “0.00” > “123000.00”
How to use column search in datatable when responsive is false
just add “$(“th”).show();” in the end of initComplete … , initComplete: function () { … $(“th”).show(); } , …
New line in JavaScript alert box
If you use with C# then \n will put a new line alert(“some text\nmore text in a new line”);
How to refresh a DIV content with Javascript
To reload a section of the page, you could use jquerys load with the current url and specify the fragment you need, which would be the same element that load is called on, in our below case #myDivId function updateDivContent() { $(“#myDivId”).load(window.location.href + ” #myDivId” ); }
Passing parameters to JavaScript files
You can assign an id to the <script> element and passing the arguments as data-* attributes. The resulting <script> tag would look something like this:
How to solve ajax.reload() not working for DataTables in JS File
If you are working with DataTables, you’ve likely encountered that frustrating moment: your data changes in the database, but your table refuses to refresh. You call table.ajax.reload(); and… nothing happens, or worse, you get a console error. Let’s break down why this happens and how to fix it with a single line of code. 1. […]
Javascript Refresh and CountDown Timer
<script type=”text/javascript”> function checklength(i) { ‘use strict’; if (i < 10) { i = “0” + i; } return i; } var minutes, seconds, count, counter, timer; count = 301; //seconds counter = setInterval(timer, 1000); function timer() { ‘use strict’; count = count – 1; minutes = checklength(Math.floor(count / 60)); seconds = checklength(count – minutes […]
How to Auto-Refresh Page with Javascript
<script type=”text/javascript”> function timedRefresh(timeoutPeriod) { setTimeout(“location.reload(true);”, timeoutPeriod); } window.onload = timedRefresh(300000); </script> Reference
Get and Use TextBox Values with Javascript
Here is the example code to get and use TextBox Values with Javascript: